publication.revision = "revision2"

        then:
        coordinates.organisation.get() == "organisation2"
        coordinates.module.get() == "module2"
        coordinates.revision.get() == "revision2"

        and:
        publication.organisation== "organisation2"
        publication.module == "module2"
        publication.revision == "revision2"

        and:

func (o ReplicaSetsByRevision) Less(i, j int) bool {
	revision1, err1 := Revision(o[i])
	revision2, err2 := Revision(o[j])
	if err1 != nil || err2 != nil || revision1 == revision2 {
		return controller.ReplicaSetsByCreationTimestamp(o).Less(i, j)
	}
	return revision1 < revision2

// FindEqualRevisions returns all ControllerRevisions in revisions that are equal to needle using EqualRevision as the
// equality test. The returned slice preserves the order of revisions.
func FindEqualRevisions(revisions []*apps.ControllerRevision, needle *apps.ControllerRevision) []*apps.ControllerRevision {
	var eq []*apps.ControllerRevision
	for i := range revisions {
		if EqualRevision(revisions[i], needle) {
			eq = append(eq, revisions[i])
		}

		updateRevision = revisions[revisionCount-1]
	} else if equalCount > 0 {
		// if the equivalent revision is not immediately prior we will roll back by incrementing the
		// Revision of the equivalent revision
		updateRevision, err = ssc.controllerHistory.UpdateControllerRevision(
			equalRevisions[equalCount-1],
			updateRevision.Revision)
		if err != nil {

	// Second pod, revision "red", steals the leader lock from "green" since it is the default revision
	_, stop2 := createElection(t, "pod2", "red", watcher, true, client)
	// Third pod with revision "red" comes in and cannot take the lock since another revision with "red" has it
	_, stop3 := createElection(t, "pod3", "red", watcher, false, client)

	revision := iop.Spec.Revision
	if revision == "" {
		revision = util.DefaultRevisionName
	}
	icps, err := kubeClient.GetIstioVersions(context.TODO(), ns)
	if err != nil {
		return err
	}
	if len(*icps) != 0 {
		var icpTags []string
		var icpTag string
		// create normalized tags for multiple control plane revisions
		for _, icp := range *icps {

	}

	if s.Revision != "" {
		if s.Revisions != nil {
			return fmt.Errorf("cannot use --istio.test.revision and --istio.test.revisions at the same time," +
				" --istio.test.revisions will take precedence and --istio.test.revision will be ignored")
		}
		// use Revision as the sole revision in RevVerMap
		s.Revisions = RevVerMap{
			s.Revision: "",
		}
	} else if s.Revisions != nil {

}

// podCountByRevision() returns a map of revision->pods, with "<non-Istio>" as the dummy "revision" for uninjected pods
func podCountByRevision(pods []corev1.Pod, expectedRevision string) map[string]revisionCount {
	retval := map[string]revisionCount{}
	for _, pod := range pods {
		revision := extractRevisionFromPod(&pod)
		revisionLabel := revision
		if revision == "" {
			revisionLabel = "<non-Istio>"
		}

}

// nextRevision finds the next valid revision number based on revisions. If the length of revisions
// is 0 this is 1. Otherwise, it is 1 greater than the largest revision's Revision. This method
// assumes that revisions has been sorted by Revision.
func nextRevision(revisions []*apps.ControllerRevision) int64 {
	count := len(revisions)
	if count <= 0 {
		return 1
	}
	return revisions[count-1].Revision + 1
}

		l.LogAndFatal(err)
	}
	var kubeClientWithRev kube.CLIClient
	if uiArgs.revision != "" && uiArgs.revision != "default" {
		kubeClientWithRev, err = ctx.CLIClientWithRevision(uiArgs.revision)
		if err != nil {
			return err
		}
	} else {
		kubeClientWithRev = kubeClient
	}

	if uiArgs.revision != "" {
		revisions, err := tag.ListRevisionDescriptions(kubeClient)
		if err != nil {